CODEWITHSUNDEEP
phplinuxbashshellunix
desscartes
desscartes

Reputation: 23

Read a text file line by line and search eachline another file php script

I want to read a file line by line and search each lines another file with php script on unıx.an write results to another file.

How can I do this? I mean;

file1:

192.168.1.2
192.168.1.3
192.168.1.5

file2:

.....
192.168.1.3
192.168.12.123
192.168.34.56
192.168.1.5
....

file3:

192.168.1.3
192.168.1.5

I want to read file1 each lines and search each line file2.And if I have matches this search write results file3.

Upvotes: 0

Views: 197

Answers (2)

MichaelLuthor
MichaelLuthor

Reputation: 436

<?php
$file1 = file('file1', FILE_SKIP_EMPTY_LINES);
$file2 = file('file2', FILE_SKIP_EMPTY_LINES);
$file3Content = implode('', array_intersect($file1, $file2));
file_put_contents('file3', $file3Content);

Upvotes: 1

user1978142
user1978142

Reputation: 7948

In PHP you could read both files using file() function and they will both return as an array. Then use array_intersect(). Consider this example:

$ip1 = file('ip1.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
$ip2 = file('ip2.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
$results = array_intersect($ip1, $ip2); // intersection of two arrays
$ip3 = implode("\n", $results); // put them back together
file_put_contents('ip3.txt', $ip3); // put it inside the third file

$results should contain (based on your example) this:

Array
(
    [1] => 192.168.1.3
    [2] => 192.168.1.5
)

Upvotes: 1

Related Questions